Regular Length - Standard Point Drills
The types of drills we offer in regular lengths with standard points are:
1515, 1615, 1815 Series
151, 161, 171, 181 Series
211, 221, 231, 227 Series
191, 197 Series
Regular Point
Parabolic
HSS Regular Point Drills have a standard 118° point. General Purpose for Woods, Plastics, and Metals
Left Hand
Cobalt Split Point
Parabolic Flutes provide superior performance in a wide range of materials. Shorter flute and overall length for added strength and rigidity.
Left Hand Cutting HSS Regular Point Drill.
Heavy Duty Cobalt for longer point life and higher heat resistance. 135° Split Point. Designed for Stainless Steel. Not Recommended in Wood!
158, 168 Series
Fast Spiral
For fast chip removal and high production.
130, 131 Series
Slow Spiral
To reduce drill bite in soft materials.
1516, 1616, 1716 Series
Heavy Duty Split Point
HSS Drills with a 135° split point
Metric, Wire Gauge, and Letter sizes are listed below
Fractional Sizes :
Regular Length
Sizes and Dimensions
151
1515
158
211
130
1516
191
Size
Decimal Equivalency
Flute Length
O.A.L.
Reg. Pt. General Purpose
Left Hand HSS
Fast Spiral HSS
Heavy Duty Cobalt
Slow Spiral HSS
Heavy Duty HSS
HSS Parabolic
1/64
.0156
3/16
3/4
15100015
X
21100015
1/32
.0312
1/2
1-3/8
15100031
15150031
15800031
21100031
3/64
.0469
1-3/4
15100046
15150046
15800046
21100046
1/16
.0625
7/8
1-7/8
15100062
15150062
15800062
21100062
13000062
15160062
19100062
5/64
.0781
1
2
15100078
15150078
15800078
21100078
13000078
15160078
19100078
3/32
.0937
1-1/4
2-1/4
15100093
15150093
15800093
21100093
13000093
15160093
19100093
7/64
.1094
1-1/2
2-5/8
15100109
15150109
15800109
21100109
13000109
15160109
19100109
1/8
.1250
1-5/8
2-3/4
15100125
15150125
15800125
21100125
13000125
15160125
19100125
9/64
.1406
2-7/8
15100140
15150140
15800140
21100140
13000140
15160140
19100140
5/32
.1562
3-1/8
15100156
15150156
15800156
21100156
13000156
15160156
19100156
11/64
.1719
2-1/8
3-1/4
15100171
15150171
15800171
21100171
13000171
15160171
19100171
.1875
2-5/16
3-1/2
15100187
15150187
15800187
21100187
13000187
15160187
19100187
13/64
.2031
2-7/16
3-5/8
15100203
15150203
15800203
21100203
13000203
15160203
19100203
7/32
.2188
2-1/2
3-3/4
15100218
15150218
15800218
21100218
13000218
15160218
19100218
15/64
.2344
3-7/8
15100234
15150234
15800234
21100234
13000234
15160234
19100234
1/4
.2500
4
15100250
15150250
15800250
21100250
13000250
15160250
19100250
17/64
.2656
4-1/8
15100265
15150265
15800265
21100265
13000265
15160265
19100265
9/32
.2812
2-15/16
4-1/4
15100281
15150281
15800281
21100281
13000281
15160281
19100281
19/64
.2969
3-1/16
4-3/8
15100296
15150296
15800296
21100296
13000296
15160296
19100296
5/16
.3125
3-3/16
4-1/2
15100312
15150312
15800312
21100312
13000312
15160312
19100312
21/64
.3281
3-5/16
4-5/8
15100328
15150328
15800328
21100328
13000328
15160328
19100328
11/32
.3438
3-7/16
4-3/4
15100343
15150343
15800343
21100343
13000343
15160343
19100343
23/64
.3594
4-7/8
15100359
15150359
15800359
21100359
13000359
15160359
19100359
3/8
.3750
5
15100375
15150375
15800375
21100375
13000375
15160375
19100375
25/64
.3906
5-1/8
15100390
15150390
15800390
21100390
13000390
15160390
19100390
13/32
.4062
5-1/4
15100406
15150406
15800406
21100406
13000406
15160406
19100406
27/64
.4219
3-15/16
5-3/8
15100421
15150421
15800421
21100421
13000421
15160421
19100421
7/16
.4375
4-1/16
5-1/2
15100437
15150437
15800437
21100437
13000437
15160437
19100437
29/64
.4531
4-3/16
5-5/8
15100453
15150453
15800453
21100453
13000453
15160453
19100453
15/32
.4688
4-5/16
5-3/4
15100468
15150468
15800468
21100468
13000468
15160468
19100468
31/64
.4844
5-7/8
15100484
15150484
15800484
21100484
13000484
15160484
19100484
.5000
6
15100500
15150500
15800500
21100500
13000500
15160500
19100500
Shanks below are larger than 1/2” and may not fit in your chuck. Shanks can be ground to smaller diameters. Price on Request.
33/64
.5156
4-13/16
6-5/8
15100515
21100515
17/32
.5312
15100531
21100531
35/64
.5469
4-1316
15100546
21100546
9/16
.5625
15100562
21100562
37/64
.5781
15100578
21100578
19/32
.5938
5-3/16
7-1/8
15100593
21100593
39/64
.6094
15100609
21100609
5/8
.6250
15100625
21100625
41/64
.6406
15100640
21100640
21/32
.6562
15100656
21100656
43/64
.6719
7-5/8
15100671
21100671
11/16
.6875
15100687
21100687
Metric Sizes :
Series 227 Cobalt and Series 1815 Left Handed metric sizes available upon request**
mm Size
Dec. Equiv.
Overall Length
Series 181 Regular Point
1.0
.0394
1-11/32
18100039
1.25
.0492
18100049
1.5
.0591
23/32
1-9/16
18100059
1.75
.0689
1-13/16
18100068
2.0
.0787
15/16
1-15/16
18100078
2.25
.0886
1-1/16
2-3/32
18100088
2.5
.0984
1-3/16
18100098
2.75
.1083
2-13/32
18100108
3.0
.1181
1-5/16
18100118
3.2
.1260
1-7/16
2-9/16
18100126
3.25
.1280
18100128
3.4
.1339
1-17/32
18100133
3.5
.1378
18100137
3.75
.1476
18100147
4.0
.1575
1-11/16
18100157
4.25
.1673
18100167
4.5
.1772
2-3/16
3-3/8
18100177
4.75
.1870
1-27/32
18100187
5.0
.1968
2-1/16
18100196
5.1
.2008
18100200
5.2
.2047
18100204
5.25
.2067
18100206
5.3
.2087
18100208
5.4
.2126
3-21/32
18100212
5.5
.2165
18100216
5.6
.2205
18100220
5.7
.2244
18100224
5.75
.2264
18100226
5.8
.2283
18100228
5.9
.2323
18100232
6.0
.2362
18100236
6.2
.2441
2-15/32
3-31/32
18100244
6.25
.2461
18100246
6.4
.2520
18100252
6.5
.2559
18100255
6.6
.2598
18100259
6.75
.2657
2-23/32
4-9/32
18100265
6.8
.2677
18100267
7.0
.2756
18100275
7.25
.2854
18100285
7.5
.2953
18100295
7.75
.3051
4-19/32
18100305
8.0
.3150
18100315
8.25
.3248
18100324
8.5
.3346
18100334
8.75
.3445
4-29/32
18100344
9.0
.3543
18100354
9.25
.3642
18100364
9.5
.3740
18100374
9.75
.3839
18100383
10.0
.3937
18100393
10.5
.4134
18100413
11.0
.4331
3-11/16
5-19/32
18100433
11.5
.4528
18100452
12.0
.4724
5-15/16
18100472
12.5
.4921
18100492
13.0
.5118
3-31/2
18100511
Wire Gauge Sizes
Series 131 Slow Spiral, Series 1616 Heavy Duty Split Point, and Series 197 Parabolic Wire Gauge sizes available upon request**
Other Sizes are available
Dimensions
Stock Numbers
Wire Size
Decimal Equiv.
161 HSS Regular Point
168 HSS Fast Spiral
221 Cobalt Steel
1615 HSS Left Hand
60
.0400
16100040
16800040
22100040
16150040
59
.0410
16100041
16800041
22100041
16150041
58
.0420
16100042
16800042
22100042
16150042
57
.0430
16100043
16800043
22100043
16150043
56
.0465
16100046
16800046
22100046
16150046
55
.0520
16100052
16800052
22100052
16150052
54
.0550
16100055
16800055
22100055
16150055
53
.0595
16100059
16800059
22100059
16150059
52
.0635
16100063
16800063
22100063
16150063
51
.0670
16100067
16800067
22100067
16150067
50
.0700
16100070
16800070
22100070
16150070
49
.0730
16100073
16800073
22100073
16150073
48
.0760
16100076
16800076
22100076
16150076
47
.0785
16100078
16800078
22100078
16150078
46
.0810
1-1/8
16100081
16800081
22100081
16150081
45
.0820
16100082
16800082
22100082
16150082
44
.0860
16100086
16800086
22100086
16150086
43
.0890
16100089
16800089
22100089
16150089
42
.0935
16100093
16800093
22100093
16150093
41
.0960
2-3/8
16100096
16800096
22100096
16150096
40
.0980
16100098
16800098
22100098
16150098
39
.0995
16100099
16800099
22100099
16150099
38
.1015
16100101
16800101
22100101
16150101
37
.1040
16100104
16800104
22100104
16150104
36
.1065
16100106
16800106
22100106
16150106
35
.1100
16100110
16800110
22100110
16150110
34
.1110
16100111
16800111
22100111
16150111
33
.1130
16100113
16800113
22100113
16150113
32
.1160
16100116
16800116
22100116
16150116
31
.1200
16100120
16800120
22100120
16150120
30
.1285
16100128
16800128
22100128
16150128
29
.1360
16100136
16800136
22100136
16150136
28
.1405
16100140
16800140
22100140
16150140
27
.1440
3
16100144
16800144
22100144
16150144
26
.1470
16100147
16800147
22100147
16150147
25
.1495
16100149
16800149
22100149
16150149
24
.1520
16100152
16800152
22100152
16150152
23
.1540
16100154
16800154
22100154
16150154
22
.1570
16100157
16800157
22100157
16150157
21
.1590
16100159
16800159
22100159
16150159
20
.1610
16100161
16800161
22100161
16150161
19
.1660
16100166
16800166
22100166
16150166
18
.1695
16100169
16800169
22100169
16150169
17
.1730
16100173
16800173
22100173
16150173
16
.1770
16100177
16800177
22100177
16150177
15
.1800
16100180
16800180
22100180
16150180
14
.1820
16100182
16800182
22100182
16150182
13
.1850
16100185
16800185
22100185
16150185
12
.1890
16100189
16800189
22100189
16150189
11
.1910
16100191
16800191
22100191
16150191
10
.1935
16100193
16800193
22100193
16150193
9
.1960
16100196
16800196
22100196
16150196
8
.1990
16100199
16800199
22100199
16150199
7
.2010
16100201
16800201
22100201
16150201
.2040
16100204
16800204
22100204
16150204
.2055
16100205
16800205
22100205
16150205
.2090
16100209
16800209
22100209
16150209
.2130
16100213
16800213
22100213
16150213
.2210
16100221
16800221
22100221
16150221
.2280
16100228
16800228
22100228
16150228
Series
Available Sizes
161
#1 - #97
1615
#1 - #60
168
#1 - #80
221
131
1616
197
#1 - #52
Letter Sizes
Series 231 Cobalt, Series 1716 Heavy Duty Split Point, and Series 191 Parabolic Letter sizes available upon request**
Letter Size
171 HSS Regular Point
A
.234
17100234
B
.238
17100238
C
.242
17100242
D
.246
17100246
E
.250
17100250
F
.257
17100257
G
.261
17100261
H
.266
17100266
I
.272
17100272
J
.277
17100277
K
.281
17100281
L
.290
17100290
M
.295
17100295
N
.302
17100302
O
.316
17100316
P
.323
17100323
Q
.332
17100332
R
.339
17100339
S
.348
17100348
T
.358
17100358
U
.368
17100368
V
.377
17100377
W
.386
17100386
.397
17100397
Y
.404
17100404
Z
.413
17100413
** - minimum quantities of 6 or 12 may apply
-Special Sizes priced upon request